platform/x86: ideapad-laptop: remove sparse_keymap_free() calls

As sparse_keymap_setup() now uses a managed memory allocation for the
keymap copy it creates, the latter is freed automatically.  Remove all
calls to sparse_keymap_free().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/ideapad-laptop.c

@@ -604,14 +604,12 @@ static int ideapad_input_init(struct ideapad_private *priv)
 	error = input_register_device(inputdev);
 	if (error) {
 		pr_err("Unable to register input device\n");
-		goto err_free_keymap;
+		goto err_free_dev;
 	}
 
 	priv->inputdev = inputdev;
 	return 0;
 
-err_free_keymap:
-	sparse_keymap_free(inputdev);
 err_free_dev:
 	input_free_device(inputdev);
 	return error;
@@ -619,7 +617,6 @@ static int ideapad_input_init(struct ideapad_private *priv)
 
 static void ideapad_input_exit(struct ideapad_private *priv)
 {
-	sparse_keymap_free(priv->inputdev);
 	input_unregister_device(priv->inputdev);
 	priv->inputdev = NULL;
 }